# Haystack vs Mastra — Fit & Features

Canonical: https://trutool.co/compare/haystack-vs-mastra
Author: Snehil (https://trutool.co/authors/snehil)

Compare Haystack and Mastra by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Haystack
Framework for retrieval-augmented generation and AI agent pipelines.
Best fit: Developers building and evaluating custom agents.
- Framework for retrieval-augmented generation and AI agent pipelines
Before you choose: Check licensing, maintenance status, supported providers, and hosting or inference costs.
Pricing: https://haystack.deepset.ai/
- [Read Haystack profile](https://trutool.co/tools/haystack): Read Haystack profile

### Mastra
TypeScript framework for agents, workflows, memory, and evaluation.
Best fit: Developers building and evaluating custom agents.
- TypeScript framework for agents, workflows, memory, and evaluation
Before you choose: Check licensing, maintenance status, supported providers, and hosting or inference costs.
Pricing: https://mastra.ai/
- [Read Mastra profile](https://trutool.co/tools/mastra): Read Mastra profile